Tax preparation service · Placentia, CA · reviewed since 2026
iHow the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%98+57.5Reliability 26%96+25Value 15%100+15.2Experts Score= 98Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.98SCORE
AGradeiLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#21 of 123 tax preparation servicesiPosition by Experts Score among all companies we track in this category. · better than 84%
5.0★★★★★27 Google reviews · 6 photos
100%five-star reviews
5.00★last 12 monthsiAverage stars on reviews from the last 12 months only.
0%1–2★ in 2 yearsiShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
Google reviewers rate Fast Tax five stars based on twenty-seven reviews, with no owner responses recorded. Clients consistently describe the service as punctual, professional, and thorough, noting that taxes are delivered accurately and on time. Recurring themes include clear communication, responsiveness to questions, and expertise in both personal and business tax matters. Many customers report long-term relationships lasting over a decade, citing reasonable fees and up-to-date knowledge of tax laws as key factors in their continued satisfaction.
Google rating: 5.0 out of 5 from 27 reviews (100% five-star).
Reviews on this page: 27 Google reviews (27 with written comments, 1 with photos).
Owner responses: the business replied to 0% of reviews.
Most recent review: July 1, 2026.
Service: Tax Preparation Service serving Placentia, California.
Data from Google, last updated October 27, 2026.
Score profile vs other tax preparation services
Score per factor (100 = best)iEach factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: value and momentum; weakest: reliability.
Fast TaxTax Preparation Services median0 = centre, 100 = best
SatisfactioniSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Fast Tax: 98/100 on this factor. Category median: 91.A
98
ReliabilityiReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Fast Tax: 96/100 on this factor. Category median: 88.A
96
Craft & serviceiCraft & service · penalty only, up to −10 pointsGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Not enough reviews for this factor yet. Category median: 99.–
–
ValueiValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Fast Tax: 100/100 on this factor. Category median: 100.A
100
MomentumiMomentum · penalty only, up to −10 pointsPenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Fast Tax: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsiReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 58.–
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Bar = this company · dark tick = category median.
Star ratings
27 Google reviews we collected
5.0of 5
5 stars27100%
4 stars00%
3 stars00%
2 stars00%
1 star00%
Praise vs complaints
Phrases our text analysis found in 27 written reviews
100%praise
Praise82100%
Complaints00%
PriceiGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.
Price verdicts customers left with their Google review
100%fair
Great price1063%
Reasonable638%
Overpriced00%
Not sure00%
Topic share
How often each topic comes up in the written reviews
7topics
Speed & response2024%
Staff & attitude1822%
Would recommend1417%
Honesty & trust1316%
Quality & results1012%
Communication56%
Price & value22%
What customers talk about
We read 27 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.
“Fast Tax has been my accountant for a very long time.”
“Without his expertise, my family’s situation would not be as strong as it is today.”
“…, trustworthy, responsive, and genuinely cares about their clients, I highly recommend Corey Haina and Fast Tax.…”
“From individual tax returns to family trust consultation and retirement planning.”
“Corey is honest, dependable, completely thorough and always has the best interest in mind for the client.”
“He took the time to answer all of our questions, explained everything clearly, and made sure we understood every step of the process.”
“Taxes get completed in a timely manner and at a reasonable fee.”
People customers mention
Corey12 reviews
Haina4 reviews
praise complaint · found by our text analysis, Google review wording unchanged.
Reviews for your job
Customers hired Fast Tax for 8 kinds of job. Pick one to see what they paid and said.
Shawn3 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 months ago★★★★★
Corey has helped me and my family through the hardships that life hands us. From individual tax returns to family trust consultation and retirement planning. Without his expertise, my family’s situation would not be as strong as it is today. For myself, I feel more confident now about my twilight years than I…
Great priceTax AccountingIncome tax return filingIncome tax return preparation
Gary2 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 months ago★★★★★
Corey is honest, dependable, completely thorough and always has the best interest in mind for the client.
Great priceTax AccountingIncome tax return filingIncome tax return preparation
Dean2 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 months ago★★★★★
Knowledgeable, professional, very detail oriented. Fast Tax has been my accountant for a very long time. He also handled our business affairs. Corey is always up to date with the new tax codes and keeps me informed on anything that pertains to my situation. I would suggest his services to anyone that wants quick and efficient business services.
IRS audit representationTax problem consultingNew business tax consulting
Tracey1 reviewiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 months ago★★★★★
Working with Corey has been one of the best decisions my husband and I've made when it comes to our finances. From start to finish, Corey was professional, efficient, and incredibly thorough. He took the time to answer all of our questions, explained everything clearly, and made sure we understood every step of the…
Live4 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 months ago★★★★★
Corey, founder of Fast Tax has been wonderful. He has helped me navigate the complexities of both my business and personal taxes. His knowledge is unsurpassed and his advice has been outstanding. I appreciate all that he does. I highly recommend him.
New business tax consultingIncome tax return filingIncome tax return preparation
Ron1 reviewiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 months ago★★★★★
Customer service was great! Appointments were punctual and very business professional. Taxes were always delivered on time and accurate. I would definitely recommend Fast Tax to other businesses, family and friends.
Thanks Fast Tax for being there when we need you!
Corey has helped me and my family through the hardships that life hands us. From individual tax returns to family trust consultation and retirement planning. Without his expertise, my family’s situation would not be as strong as it is today. For myself, I feel more confident now about my twilight years than I ever expected to, thanks to Corey for helping me manage my portfolio. Everyone’s situation is different, which is what makes Corey valuable and unique.
Price assessment: Great price
Services: Tax Accounting, Income tax return filing, Income tax return preparation, Tax planning
Gary Bilonta2 reviewsiTotal number of Google reviews Gary has written across all businesses on Google Maps, not just this one.
Knowledgeable, professional, very detail oriented. Fast Tax has been my accountant for a very long time. He also handled our business affairs. Corey is always up to date with the new tax codes and keeps me informed on anything that pertains to my situation. I would suggest his services to anyone that wants quick and efficient business services.
Services: IRS audit representation, Tax problem consulting, New business tax consulting, Tax Accounting, Income tax return filing, Income tax return preparation, Tax planning, Business tax services
Tracey Price1 reviewiTotal number of Google reviews Tracey has written across all businesses on Google Maps, not just this one.
Working with Corey has been one of the best decisions my husband and I've made when it comes to our finances. From start to finish, Corey was professional, efficient, and incredibly thorough. He took the time to answer all of our questions, explained everything clearly, and made sure we understood every step of the process.
What impressed us most was his attention to detail and dedication to making sure our return was completed accurately while maximizing every deduction and credit we qualified for. I truly felt like he had our best interests in mind throughout the entire experience.
If you're looking for someone who is knowledgeable, trustworthy, responsive, and genuinely cares about their clients, I highly recommend Corey Haina and Fast Tax.
Live Scan4 reviewsiTotal number of Google reviews Live has written across all businesses on Google Maps, not just this one.
Corey, founder of Fast Tax has been wonderful. He has helped me navigate the complexities of both my business and personal taxes. His knowledge is unsurpassed and his advice has been outstanding. I appreciate all that he does. I highly recommend him.
Services: New business tax consulting, Income tax return filing, Income tax return preparation, Tax planning, Business tax services
Ron Bow1 reviewiTotal number of Google reviews Ron has written across all businesses on Google Maps, not just this one.
Customer service was great! Appointments were punctual and very business professional. Taxes were always delivered on time and accurate. I would definitely recommend Fast Tax to other businesses, family and friends.
Thanks Fast Tax for being there when we need you!
Price assessment: Great price
Services: Tax Accounting
Imelda Batara5 reviewsiTotal number of Google reviews Imelda has written across all businesses on Google Maps, not just this one.
Corey has been preparing my taxes for the past 20+ years. I have full confidence in his expertise and extensive knowledge in the various tax laws. I have always been able to rely on his guidance whenever making major financial decisions that have an impact on my taxes. He has always gone above and beyond when it comes to preparing my taxes.
Services: Tax problem consulting, Income tax return filing, Tax planning
sgmdmf3 reviewsiTotal number of Google reviews sgmdmf has written across all businesses on Google Maps, not just this one.
⭐⭐⭐⭐⭐
I have been working with Corey as my accountant for the past 18 years, and I couldn't be happier with the service, expertise, and professionalism he consistently provides. Corey is knowledgeable, reliable, detail-oriented, and always takes the time to answer my questions and explain things clearly.
Over the years, he has helped me navigate everything from routine tax filings to more complex financial matters, always with accuracy and integrity. His responsiveness and dedication give me complete confidence that my finances are in excellent hands.
If you're looking for an accountant who genuinely cares about his clients and delivers exceptional service year after year, I highly recommend Corey. Eighteen years later, I wouldn't trust anyone else with my accounting needs.
Colby Parker2 reviewsiTotal number of Google reviews Colby has written across all businesses on Google Maps, not just this one.
Fast Tax has been taken care of all of my tax and accounting needs since 1999 and has done an excellent job. I have recommended them to several friends and family members who have all enjoyed the fast professional service they provide.
